CN103152813A - Mobile communication device capable of controlling ouput power and method thereof - Google Patents
Mobile communication device capable of controlling ouput power and method thereof Download PDFInfo
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- CN103152813A CN103152813A CN2012104792284A CN201210479228A CN103152813A CN 103152813 A CN103152813 A CN 103152813A CN 2012104792284 A CN2012104792284 A CN 2012104792284A CN 201210479228 A CN201210479228 A CN 201210479228A CN 103152813 A CN103152813 A CN 103152813A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
- H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/52—TPC using AGC [Automatic Gain Control] circuits or amplifiers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- Transceivers (AREA)
Abstract
A mobile communication device and a method thereof. The mobile communication device includes a processor, a transceiver circuit, an amplifier circuit, and a control logic circuit. The processor generates a baseband signal and a gain control signal. The transceiver circuit converts the baseband signal to an analog form, and amplifies the converted baseband signal to output a first transmission signal. The amplifier circuit amplifies the first transmission signal to output a second transmission signal. The control logic circuit controls the transceiver circuit and the amplifier circuit based on the gain control signal to generate the second transmission signal. The transceiver circuit adopts one of a first plurality of power gain levels at an increasing sequence when the amplifier circuit adopts a lowest level of a second plurality of power gain levels.
Description
Technical field
The invention relates to a kind of electronic circuit, and be particularly to a kind of device for mobile communication and method thereof.
Background technology
Delivering power control (Transmit Power Control is hereinafter referred to as TPC) is used in chooses through-put power in communication system, to reach intrasystem good performance.Usually, the delivering power control meeting of signal transmission is controlled by the base station, the maximum enable level of base station its through-put power of notice device for mobile communication makes the through-put power that communication channel transmits can not produce the signal interference with adjacent channel, and the power of communication device can be controlled.Various communication systems on market for example WLAN (Wireless Local Area Network, 802.11 standards) and Long Term Evolution (Long Term Evolution, LTE) system are all supported the function that above-mentioned delivering power is controlled.
Summary of the invention
Based on above-mentioned purpose, the embodiment of the present invention has disclosed a kind of device for mobile communication, comprises a processor, a transceiver circuit, an amplifier circuit and a control logic circuit.This processor is for generation of a fundamental frequency signal of a digital form, and produces a gain control signal.This transceiver circuit couples above-mentioned processor, is used for above-mentioned fundamental frequency signal is converted to an analog form from above-mentioned digital form, and amplifies fundamental frequency signal after above-mentioned conversion with one of them output one first signal transmissions of one first many power gain level.This amplifier circuit couples above-mentioned transceiver circuit, is used for exporting one second signal transmission to an antenna with one of them above-mentioned first signal transmission of amplification of one second many power gain level and transmits.This control logic circuit couples above-mentioned processor, above-mentioned transceiver circuit and above-mentioned amplifier circuit, be used for receiving above-mentioned gain control signal and controlling above-mentioned transceiver circuit and above-mentioned amplifier circuit to produce above-mentioned the second signal transmission according to above-mentioned gain control signal from above-mentioned processor, wherein the fundamental frequency signal of above-mentioned the second signal transmission after to above-mentioned conversion has a power gain altogether.When above-mentioned amplifier circuit is adjusted to a lowest power gain level of above-mentioned more than second power gain level, above-mentioned transceiver circuit be used for a kind of increase order adjust above-mentioned more than first power gain level above-mentioned one of them.Above-mentioned control logic circuit is used for above-mentioned power gain is altogether switched 0 or 1 level difference.
The embodiment of the present invention has also disclosed a kind of device for mobile communication, comprises a processor, a transceiver circuit, an amplifier circuit and a control logic circuit.This processor is for generation of a fundamental frequency signal of a digital form, and produces a gain control signal.This transceiver circuit couples above-mentioned processor, is used for above-mentioned fundamental frequency signal is converted to an analog form from above-mentioned digital form, and amplifies fundamental frequency signal after above-mentioned conversion with one of them output one first signal transmissions of one first many power gain level.This amplifier circuit couples above-mentioned transceiver circuit, is used for exporting one second signal transmission to an antenna with one of them above-mentioned first signal transmission of amplification of one second many power gain level and transmits.This control logic circuit comprises an AND door and an OR door.This AND door couples above-mentioned transceiver circuit, is used for according to the fundamental frequency signal after the above-mentioned conversion of the above-mentioned transceiver circuit amplification of above-mentioned gain control signal control.This OR door couples above-mentioned amplifier circuit, is used for controlling above-mentioned amplifier circuit according to above-mentioned gain control signal and amplifies above-mentioned the first signal transmission.When above-mentioned amplifier circuit is adjusted to a lowest power gain level of above-mentioned more than second power gain level, above-mentioned transceiver circuit be used for a kind of increase order adjust above-mentioned more than first power gain level above-mentioned one of them.
The embodiment of the present invention has also disclosed a kind of gain control method, provides a gain to control by a device for mobile communication, comprising: by a processor, produce a fundamental frequency signal and a gain control signal of a digital form; By a transceiver circuit, be used for above-mentioned fundamental frequency signal is converted to an analog form from above-mentioned digital form; By a logic control circuit, according to above-mentioned gain control signal control above-mentioned transceiver circuit and an amplifier circuit with by one altogether the power gain value amplify fundamental frequency signal to the second signal transmission after above-mentioned conversion, wherein the above-mentioned value of power gain altogether be a plurality of power gain level one of them; To select one to adjust the above-mentioned value of power gain altogether from above-mentioned a plurality of power gain level in an increase order; And above-mentioned power gain is altogether switched no more than 1 level difference.
The embodiment of the present invention has also disclosed a kind of gain control method, provides a gain to control by a device for mobile communication, comprising: by a processor, produce a fundamental frequency signal and a gain control signal of a digital form; By a transceiver circuit, be used for above-mentioned fundamental frequency signal is converted to an analog form from above-mentioned digital form; By an AND door of a control logic circuit, control above-mentioned transceiver circuit according to above-mentioned gain control signal and amplify fundamental frequency signal to the first signal transmission after above-mentioned conversion with one of them of one first many power gain level; By an OR door of above-mentioned control logic circuit, control an amplifier with above-mentioned first signal transmission to one second signal transmission of one of them amplification of one second many power gain level according to above-mentioned gain control signal; And when above-mentioned amplifier circuit is adjusted to a lowest power gain level of above-mentioned more than second power gain level, with an increase sequentially adjust above-mentioned more than first power gain level above-mentioned one of them.
For above and other objects of the present invention, feature and advantage can be become apparent, cited below particularlyly go out preferred embodiment, and coordinate appended graphicly, be described in detail below.
Description of drawings
Fig. 1 is the calcspar that shows a kind of device for mobile communication 1 in the embodiment of the present invention.
Fig. 2 is the circuit realization figure that shows above-mentioned control logic circuit 12 in the embodiment of the present invention.
Fig. 3 shows the relation of the electric current of 4 kinds of power gain patterns and correspondence.
Fig. 4 is the flow chart that shows a kind of gain control method 4 in the embodiment of the present invention.
Fig. 5 is the flow chart that shows another kind of gain control method 5 in the embodiment of the present invention.
[main element label declaration]
1～device for mobile communication; 10～processor;
12～control logic circuit; 14～transceiver circuit;
16～power amplifier; 18～antenna;
S400, S402 ... S410～step; And S500, S502 ... S512～step.
Embodiment
The use that is configured to explanation of each element in embodiment is not to limit the present invention.And in embodiment, the part of reference numerals repeats, and is for the purpose of simplifying the description, is not the relevance that means between different embodiment.
Fig. 1 is the calcspar that shows a kind of device for mobile communication 1 in the embodiment of the present invention, comprises processor 10, control logic circuit 12, transceiver circuit 14, power amplifier (amplifier circuit) 16 and antenna 18.Processor 10 is coupled to control logic circuit 12 and transceiver circuit 14.Control logic circuit 12 also is coupled to transceiver circuit 14 and power amplifier 16, and power amplifier 16 then couples antenna 18, in order to transmit output signal Sout to receiving terminal (not shown) via air interface.Device for mobile communication can be cell-phone, be furnished with the laptop computer of mobile broadband network interface card or other can carry out the device of wireless telecommunications arbitrarily.Receiving terminal can be base station or another device for mobile communication.
When exporting data distributing program, processor 10 output fundamental frequency data Aout are to transceiver circuit 14,14 fundamental frequency data Aout carry out various signal handlers at transceiver circuit, comprise conversion program, various filter, and phase I power amplification program, be used for converted output signal Sout '.Yet the power amplification function that transceiver circuit 14 provides is very basic and can't reach output signal Sout through the power demand of air interface transmission arrival receiving terminal.Therefore, can use the output signal Sout ' of 16 pairs of transceiver circuits 14 of power amplifier to carry out further power amplification program, and use the transmission power level of wanting to produce output signal transmission Sout.Processor 10 is chosen power level for transceiver circuit 14 and power amplifier 16 via control logic circuit 12.Control logic circuit 12 comprises the combined digital logical circuit, and it can produce control signal Sctrl_tx with the output power levels of control transceiver circuit 14, and can produce control signal Sctrl_PA with the output power levels of power ratio control amplifier 16.In certain embodiments, transceiver circuit 14 can provide 2 kinds of output power levels (more than first power gain level), and power amplifier 16 can provide 3 kinds of output levels (more than second power gain level).Therefore output signal Sout can have 6 kinds of power capability output levels.For example, transceiver circuit 14 can provide 7dBm or-power level of 3dBm, power amplifier 16 can provide the power gain level of 9dB, 15dB or 24dB, and the power capability output switching level of output signal Sout comprises 6dBm, 16dBm, 12dBm, 22dBm, 21dBm and 31dBm.Transceiver circuit 14 and power amplifier 16 can only with progressively a kind of and the order mode power switched level, and the output power levels of output signal Sout can only with progressively a kind of and the order mode switch.When the lowest power gain level in 3 kinds of power capability gain levels of amplifier 16 uses, transceiver circuit 14 is used for utilizing its power gain level that uses in order that increases.Only at amplifier 16 when using its 3 kinds lowest power gain levels in possible power gain level, transceiver circuit 14 could be adjusted to the lowest power gain level from its 2 kinds possible power gain level.For example, power amplifier 16 can only switch to 15dB from 9dB power gain level, but can not switch to 24dB from 9dB, because power gain level 9dB and 24dB are at a distance of rank, two positions.The order that the capability level of output signal Sout increases progressively according to a kind of order and producing.The power capability switch level is 6dBm, 16dBm, 22dBm and 31dBm in certain embodiments.In other embodiments, the power capability switch level is 6dBm, 12dBm, 22dBm and 31dBm.Control logic circuit 12 reception control signal Sctrl_proc are to produce control signal Sctrl_tx and Sctrl_PA, and then choose respectively output power levels for transceiver circuit 14 and power amplifier 16, make by this output signal Sout with a kind of output wherein in all power capability level.
Although Fig. 1 only shows circuit and block for the output transmission procedure, those skilled in the art's device for mobile communication 1 as can be known can use in the case of without departing from the spirit of the present invention for circuit and the block of inputting transmission procedure.
Fig. 2 is the circuit realization figure that shows above-mentioned control logic circuit 12 in the embodiment of the present invention, and and Fig. 1 in the corresponding circuits block is same sets and processor 10, control logic circuit 12, transceiver circuit 14, power amplifier 16 and the antenna 18 of operation procedure.Control logic circuit 12 comprises OR door 120 and AND door 122.Control logic circuit 12 reception control signal Sctrl_proc, above-mentioned control signal Sctrl_proc comprises 2 Sctrl_proc0 and Sctrl_proc1, can produce the conveyer control signal Sctrl_tx of the Sctrl_tx0 that comprises 2 and Sctrl_tx1 and comprise the position Sctrl pa0 of 2 and the power amplifier control signal Sctrl_PA of Sctrl_pa1.In certain embodiments, AND door 122 is by producing conveyer controller position Sctrl_tx1 to control bit Sctrl_proc0 and Sctrl_proc1 execution AND logic function on processor, OR door 120 is by producing power amplifier controller position Sctrl_pa0 to control bit Sctrl_proc0 and Sctrl_proc1 execution OR logic function on processor.Transceiver circuit 14 obtains conveyer control bit Sctrl_tx0 and obtains conveyer control bit Sctrl_tx1 from the output of AND door 122 from processor control bit Sctrl_proc0.Power amplifier 16 obtains conveyer control bit Sctrl_pa0 and obtains conveyer control bit Sctrl_pa1 from processor control bit Sctrl_proc1 from the output of OR door 120.The relation of table 1 video-stream processor control bit and corresponding transceiver circuit control bit and power amplifier control position, the transceiver circuit control bit of above-mentioned correspondence and power amplifier control position are produced by control logic circuit 12.
Table 1
When device for mobile communication 1 is opened and in running the time, having 4 kinds of power modes can therefrom select, i.e. bypass (bypass) pattern 1, bypass mode 2, middle power mode and high-power mode.Each effective power mode can provide respectively a kind of power altogether in 6dBm, 16dBm, 22dBm and 31dBm to switch.Fig. 3 shows the relation of the electric current of 4 kinds of power gain patterns and correspondence.When processor 10 switched power mode toward higher power gain value, the electric current altogether that is extracted by higher power gain value also can increase thereupon.Transceiver circuit 14 can switch to high-power mode (7dBm) and power amplifier 16 can switch to low-power mode (9dB), so that the bypass pattern 2 between bypass mode 1 and middle power mode to be provided.Handover operation between power mode must be followed a kind of increasing or decreasing order of power mode.For example, processor 10 can the selection processor control bit with power mode from bypass mode 2 switches to, or from high-power mode switches to power mode.When carrying out delivering power control, processor 10 can be chosen the power that a kind of power mode is distributed to meet the base station from 4 kinds of power modes.Yet for output signal S is provided
outGood signal usefulness, processor 10 can't directly switch to high-power mode from bypass mode 1 by the selection processor control bit, and must switch by easy stages to high-power mode with bypass mode 1, bypass mode 2, middle power mode.
The embodiment of the present invention provides 4 kinds of power modes, can be used for selecting in device for mobile communication, makes output signal S
outCan be assigned to suitable power level, use and reduce signal and disturb and keep the limited power of battery.
With reference now to Fig. 1,, device for mobile communication 1 comprises processor 10 (controller), control logic circuit 12, transceiver circuit 14, amplifier 16 (power amplifier circuit) and antenna 18.Device for mobile communication 1 can be realized with mobile phone, flat computer, handheld entertainment device and other wireless communication apparatus.
When carrying out the output data distributing program in device for mobile communication 1 is between transmission period, processor 10 transmits the control signal S of the predetermined transmission power that corresponds to control logic circuit 12
Ctrl_proc, and will export data A
out(fundamental frequency signal) gives transceiver circuit 14 in order to carry out signal conversion program, amplification procedure and other filter in advance.Control signal S
Ctrl_procBinary signal [the S that can comprise two positions
Ctrl_proc1, S
Ctrl_proc0].Control logic circuit 12 comprises combinational logic circuit, and this combinational logic circuit can be changed the binary transceiver circuit gain control signal [S that two positions control signal to two positions
Ctrl_tx1, S
Ctrl_tx0] and the binary amplifier gain control signal [S of two positions
Ctrl_pa1, S
Ctrl_pa0], this transceiver circuit gain control signal and amplifier gain control signal are controlled respectively the power gain of transceiver circuit 14 and power amplifier 16.Output data A
outFor being sent to the fundamental frequency data of a Communications service network.Transceiver circuit 14 receives output data A
out, and to output data A
outCarry out various signal handlers, comprise digital-to-analogue conversion program, carrier modulation program, various filter and preliminary power amplification procedure, to produce the first signal transmission S
out'.Transmitting the second signal transmission S via antenna 18
outBefore, 16 pairs of output signals of power amplifier are carried out further power amplification program.Particularly, transceiver circuit 14 is by transceiver circuit gain control signal [S
Ctrl_tx1, S
Ctrl_tx0] the transceiver circuit gain controlled and amplify output data A
outPower amplifier 16 is by amplifier gain control signal [S
Ctrl_pa1, S
Ctrl_pa0] amplify the output signal S from transceiver circuit 14
out'.The power amplification yield value that power amplifier 16 increases surpasses the power amplification yield value that is increased by transceiver circuit 14 usually.Transceiver circuit 14 can only be to output data A
outProvide 7dBm or-preliminary power of 3dBm amplifies, and works as S
Ctrl_tx1When expression b ' 1 transceiver circuit 14 reduces 3dBm with power gain, and work as S
Ctrl_tx1Expression b ' 0 transceiver circuit 14 makes power gain increase 7dBm.On the other hand, power amplifier 16 can be to the first signal transmission S of transceiver circuit 14
out' relatively large power amplification value is provided.Particularly, power amplifier 16 can provide 3 kinds of different power amplification level, i.e. 9dB, 15dB and 24dB are by amplifier gain control signal [S
Ctrl_pa1, S
Ctrl_pa0] select.
In order to keep the good linearity, power amplifier 16 is switch level in a sequential manner, said sequence can be mode cumulative or decrescence, and namely power amplifier 16 is used for the switched amplifier gain and can only switches and be less than or equal to 1 grade of other gain level of level difference.For example, amplifier gain can switch to 15dB or maintain 9dB from 9dB, but can't once switch to 24dB from 9dB.Similarly, power gain can be measured by power ratio altogether, and this power ratio is the second signal transmission S of transceiver circuit 14
outTo the power ratio of analog-converted, and for the linearity of power amplifier is provided, the output data adjustment must forever be less than or equal to 1 grade of level difference.
In certain embodiments, only have when booster output gains in minimum level, the transceiver circuit power gain just can be adjusted to minimum level, in other words, only have when the power amplifier gain is 9dB, the transceiver circuit power gain just can be adjusted to-3dBm.Therefore the power amplification of the power gain altogether of device for mobile communication 1 only has 4 kinds of possible yield values, i.e. 6dBm, 16dBm, 22dBm and 31dBm.As aforementioned, control logic circuit 12 can reception control signal [S
Ctrl_proc1, S
Ctrl_proc0] and produce transceiver circuit gain control signal [S
Ctrl_tx1, S
Ctrl_tx0] and amplifier gain control signal [S
Ctrl_pa1, S
Ctrl_pa0], use transceiver circuit gain and the power amplifier gain of controlling respectively transceiver circuit 14 and power amplifier 16, make that power gain altogether is each all can switch 1 or less than 1 level difference.For example, power gain can be adjusted to 16dBm from 6dBm altogether, is adjusted to 22dBm from 16dBm, is adjusted to 31dBm or keeps original level from 22dBm.
The power that device for mobile communication 1 is used for by a kind of amplification input signal of 4 kinds of possible yield values provides said apparatus the good linearity simultaneously.
With reference now to Fig. 2,, device for mobile communication 2 shows the circuit implementation that is used for control logic circuit 12, and it comprises the AND door 122 that couples transceiver circuit 14 and the OR door 120 that couples power amplifier 16.Control logic circuit 12 includes only two gates, and above-mentioned two gates produce transceiver circuit gain control signal [S
Ctrl_tx1, S
Ctrl_tx0], be used for setting the transceiver circuit power gain of transceiver circuit 14, and produce power amplifier gain control signal [S
Ctrl_pa1, S
Ctrl_pa0], be used for the power amplifier gain of setting power amplifier 16.The remaining circuit of Fig. 2 is all identical with corresponding circuits in Fig. 1.In certain embodiments, the transceiver circuit power gain has 2 kinds of possible yield values (more than first power gain level), the power amplifier gain has 3 kinds of possible yield values (more than second power gain level), and power gain has 4 kinds of power capability gain levels altogether.Control logic circuit 12 sets by transceiver circuit and power amplifier gain control signal the power gain that is used for transceiver circuit 14 and power amplifier 16, make altogether power gain all can only switch the level difference of 1 or 0 grade, the linearity of holding power amplifier by this at every turn.Similarly, the gain of the power amplifier of power amplifier 16 also can only be switched the level difference of 1 or 0 grade at every turn.Both restrictive conditions, only have when booster output gains in minimum level, just the transceiver circuit power gain can be transferred to minimum level for satisfied power gain altogether and power amplifier gain.In addition, when amplifier 16 was transferred to the lowest power gain level of 3 kinds of power capability gain levels, transceiver circuit 14 can only be with the order Modulating Power gain level that increases.Only when amplifier 16 was adjusted to the lowest power gain level of 3 kinds of power capability gain levels, transceiver circuit 14 just can be transferred to 2 kinds of lowest power gain levels in the power capability gain level.
The power that device for mobile communication 1 is used for by a kind of amplification input signal of 4 kinds of possible yield values provides said apparatus the good linearity simultaneously.
Fig. 4 is the flow chart that shows a kind of gain control method 4 in the embodiment of the present invention, uses the device for mobile communication 1 of Fig. 1.
After gain control method 4 beginnings, device for mobile communication 1 meeting initialization is to export transmission procedure (S400).Processor 10 produces the fundamental frequency signal A that is used for the output transmission procedure
out, comprise and control data and the transmission of data, be used for and the Communications service network between set up between a communication period, and with fundamental frequency signal A
out Export transceiver circuit 14 to and be used for further mixed frequency signal and analog program (S402).The Communications service network can notify device for mobile communication 1 its assigned through-put power before the transmission beginning.Correspondingly, processor 10 can produce gain control signal S according to the through-put power that is assigned to of device for mobile communication 1
Ctrl_proc, and with gain control signal S
Ctrl_procPass to control logic circuit 12, use and control output signal S
outPower gain value (S404).Transceiver circuit 14 can be with fundamental frequency signal from digital translation to analog form (S406), according to carrier signal, analog signal is carried out upper conversion program, filter the signal composition of switching signal on not wanting, use transceiver circuit gain amplifier value to carry out preliminary power amplification (S408), and with consequential signal S
out' export the next increased power stage to.Then, power amplifier 16 can obtain M signal S
out' and use power amplifier gain amplifier value to middle signal S
out' carry out further power amplification program, to produce signal transmission S
out, signal transmission S
outCan be sent to via antenna 18 Communications service network (S408).Gain control method 4 is so far completed and is left at step S410.
Fundamental frequency signal A after conversion
out1 kind by 4 kinds of possible yield values in power gain is altogether amplified to obtain signal transmission S
outAs mentioned above, 4 kinds of possible yield values can be for by transceiver circuit gain control signal S
Ctrl_txWith power amplifier gain control signal S
Ctrl_paSelected 6dBm, 16dBm, 22dBm and 31dBm, above-mentioned gain control signal S
Ctrl_txAnd S
Ctrl_paCan be by control logic circuit 12 according to gain control signal S
Ctrl_procProcessed by the relation shown in table 1 and draw.The power amplifier gain of power amplifier 16 can only be switched 1 or 0 grade of other gain level of level difference.Similarly, the gain of the power amplifier altogether of device for mobile communication 1 is with signal transmission S
outFundamental frequency signal A to conversion
outPower ratio calculate, can only switch 1 or 0 grade of other gain level of level difference.Both restrictive conditions, only have when booster output gains in minimum level, just the transceiver circuit power gain can be transferred to minimum level for satisfied power gain altogether and power amplifier gain.
Fig. 5 is the flow chart that shows another kind of gain control method 5 in the embodiment of the present invention, uses the device for mobile communication 2 of Fig. 2.
Except step S508 and step S510, other step of gain control method 5 is all similar with gain control method 4, and in control logic circuit 12, the details of step S508 and step S510 is in following description.In step S508, control logic circuit 12 can be controlled the transceiver circuit power gain of transceiver circuit 14 by AND door 122, and AND door 122 is with gain control signal S
Ctrl_procBe converted to transceiver circuit gain control signal S
Ctrl_tx, for the transceiver circuit power gain of controlling transceiver circuit 14.In step S510, control logic circuit 12 also can pass through OR door 120 and the power amplifier gain of power ratio control amplifier 16 in addition, and OR door 120 is with gain control signal S
Ctrl_procBe converted to power amplifier gain control signal S
Ctrl_PA, be used for the power amplifier gain of power ratio control amplifier 16.Gain control signal S
Ctrl_procHow to be converted to the gain control signal S of transceiver circuit
Ctrl_txGain control signal S with power amplifier
Ctrl_PADetails can find in table 1.
The application's case is corresponding to U.S.'s priority application number 61/567,225, and sending the part date is on December 16th, 2011.Its complete content has been integrated in this.
Various logic blocks, module and circuit that the present invention describes can use general processor, digital signal processor (Digital Signal Processor, DSP), application-specific integrated circuit (ASIC) (Application Specific Integrated Circuit, ASIC) or other program-controlled logic element, discrete type logical circuit or transistor logic door, discrete type hardware element or be used for carried out its combination in any of the function of execution described in the invention.General processor can be microprocessor, and perhaps, this processor can be any commercial processor, controller, microprocessor or state machine.
Operation and the function of various logic blocks, module and circuit that the present invention describes can utilize circuit hardware or embedded software code to be realized, this embedded software code can be by a processor access and execution.
Although the present invention discloses as above with preferred embodiment; so it is not to limit the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention; when can be used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking appended the claim scope person of defining.
Claims (23)
1. device for mobile communication comprises:
One processor for generation of a fundamental frequency signal of a digital form, and produces a gain control signal;
One transceiver circuit couples above-mentioned processor, is used for above-mentioned fundamental frequency signal is converted to an analog form from above-mentioned digital form, and amplifies fundamental frequency signal after above-mentioned conversion with one of them output one first signal transmissions of one first many power gain level;
One amplifier circuit couples above-mentioned transceiver circuit, is used for exporting one second signal transmission to an antenna with one of them above-mentioned first signal transmission of amplification of one second many power gain level and transmits; And
One control logic circuit, couple above-mentioned processor, above-mentioned transceiver circuit and above-mentioned amplifier circuit, be used for receiving above-mentioned gain control signal and controlling above-mentioned transceiver circuit and above-mentioned amplifier circuit to produce above-mentioned the second signal transmission according to above-mentioned gain control signal from above-mentioned processor, wherein the fundamental frequency signal of above-mentioned the second signal transmission after to above-mentioned conversion has a power gain altogether;
Wherein, when above-mentioned amplifier circuit is adjusted to a lowest power gain level of above-mentioned more than second power gain level, above-mentioned transceiver circuit be used for a kind of increase order adjust above-mentioned more than first power gain level above-mentioned one of them; And
Above-mentioned control logic circuit is used for above-mentioned power gain is altogether switched 0 or 1 level difference.
2. device for mobile communication according to claim 1, wherein, only have when above-mentioned amplifier circuit has been adjusted to the above-mentioned lowest power gain level of above-mentioned more than second power gain level, above-mentioned transceiver circuit just can be adjusted to a lowest power gain level of above-mentioned more than first power gain level.
3. device for mobile communication according to claim 1, wherein, above-mentioned control logic circuit comprises:
One OR door couples above-mentioned amplifier circuit; And
One AND door couples above-mentioned transceiver circuit.
4. device for mobile communication according to claim 1, wherein:
Above-mentioned control logic circuit is used for receiving above-mentioned gain control signal producing a transceiver circuit gain control signal and an amplifier gain control signal, and transmits respectively above-mentioned transceiver circuit gain control signal and above-mentioned amplifier gain controls signal to above-mentioned transceiver circuit and amplifier circuit;
Above-mentioned transceiver circuit is used for according to the fundamental frequency signal after the above-mentioned transceiver circuit gain control signal use one above-mentioned conversion of transceiver circuit power gain amplification;
Above-mentioned amplifier circuit is used for using a booster output gain to amplify above-mentioned the first signal transmission according to above-mentioned amplifier gain control signal;
Above-mentioned transceiver circuit power gain has 2 kinds of possible yield values, and the gain of above-mentioned booster output has 3 kinds of possible yield values.
5. device for mobile communication according to claim 4, wherein, only have when above-mentioned booster output gains in above-mentioned minimum level, and above-mentioned transceiver circuit power gain just can be adjusted to above-mentioned minimum level.
6. device for mobile communication according to claim 4, wherein, above-mentioned control logic circuit is used for switching above-mentioned transceiver circuit power gain and the gain of above-mentioned booster output by 0 or 1 level difference.
7. device for mobile communication according to claim 1, wherein, above-mentioned control logic circuit comprises gate.
8. device for mobile communication comprises:
One processor for generation of a fundamental frequency signal of a digital form, and produces a gain control signal;
One transceiver circuit couples above-mentioned processor, is used for above-mentioned fundamental frequency signal is converted to an analog form from above-mentioned digital form, and amplifies fundamental frequency signal after above-mentioned conversion with one of them output one first signal transmissions of one first many power gain level;
One amplifier circuit couples above-mentioned transceiver circuit, is used for exporting one second signal transmission to an antenna with one of them above-mentioned first signal transmission of amplification of one second many power gain level and transmits; And
One control logic circuit comprises
One AND door couples above-mentioned transceiver circuit, is used for according to the fundamental frequency signal after the above-mentioned conversion of the above-mentioned transceiver circuit amplification of above-mentioned gain control signal control; And
One OR door couples above-mentioned amplifier circuit, is used for controlling above-mentioned amplifier circuit according to above-mentioned gain control signal and amplifies above-mentioned the first signal transmission;
Wherein, when above-mentioned amplifier circuit is adjusted to a lowest power gain level of above-mentioned more than second power gain level, above-mentioned transceiver circuit be used for a kind of increase order adjust above-mentioned more than first power gain level above-mentioned one of them.
9. device for mobile communication according to claim 8, wherein, the fundamental frequency signal after above-mentioned conversion with one altogether power gain increase power to produce above-mentioned the second signal transmission.
10. device for mobile communication according to claim 9, wherein, above-mentioned control logic circuit switches above-mentioned power gain altogether with no more than 1 level difference.
11. device for mobile communication according to claim 9, wherein this altogether power gain have four possible yield values.
12. device for mobile communication according to claim 8, wherein:
Above-mentioned processor is for generation of a gain control signal;
Above-mentioned AND door and above-mentioned OR door are used for receiving above-mentioned gain control signal to produce a transceiver circuit gain control signal and an amplifier gain control signal, transmit respectively above-mentioned transceiver circuit gain control signal and above-mentioned amplifier gain and control signal to above-mentioned transceiver circuit and amplifier circuit;
Above-mentioned transceiver circuit is used for according to the fundamental frequency signal after the above-mentioned transceiver circuit gain control signal use one above-mentioned conversion of transceiver circuit power gain amplification;
Above-mentioned amplifier circuit is used for using a booster output gain to amplify above-mentioned the first signal transmission according to above-mentioned amplifier gain control signal;
Above-mentioned transceiver circuit power gain has 2 kinds of possible yield values, and the gain of above-mentioned booster output has 3 kinds of possible yield values.
13. device for mobile communication according to claim 12 wherein, only has when above-mentioned booster output gains in above-mentioned minimum level, above-mentioned transceiver circuit power gain just can be adjusted to above-mentioned minimum level.
14. device for mobile communication according to claim 8, wherein, above-mentioned control logic circuit is used for switching above-mentioned transceiver circuit power gain and the gain of above-mentioned booster output with no more than 1 level difference.
15. a gain control method provides a gain to control by a device for mobile communication, comprising:
By a processor, produce a fundamental frequency signal and a gain control signal of a digital form;
By a transceiver circuit, be used for above-mentioned fundamental frequency signal is converted to an analog form from above-mentioned digital form;
By a logic control circuit, according to above-mentioned gain control signal control above-mentioned transceiver circuit and an amplifier circuit with by one altogether the power gain value amplify fundamental frequency signal to the second signal transmission after above-mentioned conversion, wherein the above-mentioned value of power gain altogether be a plurality of power gain level one of them;
To select one to adjust the above-mentioned value of power gain altogether from above-mentioned a plurality of power gain level in an increase order; And
Above-mentioned power gain is altogether switched no more than 1 level difference.
16. gain control method according to claim 15, wherein, above-mentioned control step also comprises:
Provide an OR door to couple above-mentioned amplifier circuit; And
Provide an AND door to couple above-mentioned transceiver circuit.
17. gain control method according to claim 15, wherein:
Above-mentioned control step comprises by above-mentioned logic control circuit, receive above-mentioned gain control signal to produce a transceiver circuit gain control signal and an amplifier gain control signal, transmit respectively above-mentioned transceiver circuit gain control signal and above-mentioned amplifier gain and control signal to above-mentioned transceiver circuit and amplifier circuit;
According to the fundamental frequency signal after the above-mentioned transceiver circuit gain control signal use one above-mentioned conversion of transceiver circuit power gain amplification;
Use a booster output gain to amplify above-mentioned the first signal transmission according to above-mentioned amplifier gain control signal; And
Above-mentioned transceiver circuit power gain has 2 kinds of possible yield values, and the gain of above-mentioned booster output has 3 kinds of possible yield values.
18. gain control method according to claim 17 wherein, only has when above-mentioned booster output gains in above-mentioned minimum level, above-mentioned transceiver circuit power gain just can be adjusted to above-mentioned minimum level.
19. gain control method according to claim 17 also comprises by above-mentioned logic control circuit, and above-mentioned transceiver circuit power gain and the gain of above-mentioned booster output are switched no more than 1 level difference.
20. a gain control method provides a gain to control by a device for mobile communication, comprising:
By a processor, produce a fundamental frequency signal and a gain control signal of a digital form;
By a transceiver circuit, be used for above-mentioned fundamental frequency signal is converted to an analog form from above-mentioned digital form;
By an AND door of a control logic circuit, control above-mentioned transceiver circuit according to above-mentioned gain control signal and amplify fundamental frequency signal to the first signal transmission after above-mentioned conversion with one of them of one first many power gain level;
By an OR door of above-mentioned control logic circuit, control an amplifier with above-mentioned first signal transmission to one second signal transmission of one of them amplification of one second many power gain level according to above-mentioned gain control signal; And
When above-mentioned amplifier circuit is adjusted to a lowest power gain level of above-mentioned more than second power gain level, with an increase sequentially adjust above-mentioned more than first power gain level above-mentioned one of them.
21. gain control method according to claim 20 also comprises:
By above-mentioned processor, produce a gain control signal;
By above-mentioned AND door and above-mentioned OR door, receive above-mentioned gain control signal to produce a transceiver circuit gain control signal and an amplifier gain control signal; And
By above-mentioned AND door and above-mentioned OR door, respectively above-mentioned transceiver circuit gain control signal and above-mentioned amplifier gain control signal are transmitted above-mentioned transceiver circuit and amplifier circuit;
Wherein, use fundamental frequency signal after a transceiver circuit power gain is amplified above-mentioned conversion above-mentioned comprising according to above-mentioned transceiver circuit gain control signal by above-mentioned transceiver circuit amplification procedure;
Use a booster output gain to amplify above-mentioned the first signal transmission above-mentioned comprising according to above-mentioned amplifier gain control signal by above-mentioned amplifier circuit amplification procedure; And
Above-mentioned transceiver circuit power gain has 2 kinds of possible yield values, and the gain of above-mentioned booster output has 3 kinds of possible yield values.
22. gain control method according to claim 21 wherein, only has when above-mentioned booster output gains in above-mentioned minimum level, above-mentioned transceiver circuit power gain just can be adjusted to above-mentioned minimum level.
23. gain control method according to claim 21 also comprises by above-mentioned logic control circuit, and above-mentioned transceiver circuit power gain and the gain of above-mentioned booster output are switched no more than 1 level difference.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161567225P | 2011-12-06 | 2011-12-06 | |
| US61/567,225 | 2011-12-06 | ||
| US13/603,940 US9066305B2 (en) | 2011-12-06 | 2012-09-05 | Mobile communication device capable of controlling ouput power and method thereof |
| US13/603,940 | 2012-09-05 |
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| Publication Number | Publication Date |
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| CN103152813A true CN103152813A (en) | 2013-06-12 |
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| CN201210479228.4A Active CN103152813B (en) | 2011-12-06 | 2012-11-22 | Device for mobile communication and its gain control method |
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| US (1) | US9066305B2 (en) |
| CN (1) | CN103152813B (en) |
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| FR3000271B1 (en) * | 2012-12-21 | 2016-03-11 | Finsecur | FIRE DETECTION DEVICE |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5852770A (en) * | 1995-09-19 | 1998-12-22 | Sanyo Electric Co., Ltd. | Transmission power control device for a portable terminal |
| US6341219B1 (en) * | 1999-02-05 | 2002-01-22 | Agere Systems Guardian Corp. | Single-source automatic power control method and apparatus for frequency-diverse variable-gain stages of a CDMA cellular handset |
| CN201813541U (en) * | 2010-08-11 | 2011-04-27 | 武汉力源信息技术股份有限公司 | Mobile communication base station power amplifier monitoring module |
| CN102118846A (en) * | 2010-01-04 | 2011-07-06 | 大唐移动通信设备有限公司 | Power control method and device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2795054B2 (en) | 1991-05-31 | 1998-09-10 | 日本電気株式会社 | Mobile phone |
| US5974041A (en) * | 1995-12-27 | 1999-10-26 | Qualcomm Incorporated | Efficient parallel-stage power amplifier |
| US6178313B1 (en) | 1998-12-31 | 2001-01-23 | Nokia Mobile Phones Limited | Control of gain and power consumption in a power amplifier |
| US7330740B2 (en) * | 2002-10-22 | 2008-02-12 | Broadcom Corporation | Cell phone wireless speaker-microphone sleep modes |
| DE10254182A1 (en) | 2002-11-20 | 2004-01-15 | Siemens Ag | Method for controlling the transmission power of a first station in a communication system by means of a second station and first and second station and communication system |
| JP2007508734A (en) | 2003-10-10 | 2007-04-05 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Power saving of transmitter |
| US20060002455A1 (en) * | 2004-06-02 | 2006-01-05 | Trex Enterprises Corp. | Millimeter wave communications system with grid amplifier |
| US7664520B2 (en) * | 2004-06-24 | 2010-02-16 | Nokia Corporation | Low current direct conversion transmitter architecture |
| EP2086269B1 (en) * | 2008-01-31 | 2017-03-15 | Mediatek Inc. | A transmit power controller |
| US8085869B2 (en) * | 2008-02-14 | 2011-12-27 | Broadcom Corporation | Configurable load impedance for power amplifier predistortion calibration |
-
2012
- 2012-09-05 US US13/603,940 patent/US9066305B2/en active Active
- 2012-11-15 TW TW101142567A patent/TWI450618B/en active
- 2012-11-22 CN CN201210479228.4A patent/CN103152813B/en active Active
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5852770A (en) * | 1995-09-19 | 1998-12-22 | Sanyo Electric Co., Ltd. | Transmission power control device for a portable terminal |
| US6341219B1 (en) * | 1999-02-05 | 2002-01-22 | Agere Systems Guardian Corp. | Single-source automatic power control method and apparatus for frequency-diverse variable-gain stages of a CDMA cellular handset |
| CN102118846A (en) * | 2010-01-04 | 2011-07-06 | 大唐移动通信设备有限公司 | Power control method and device |
| CN201813541U (en) * | 2010-08-11 | 2011-04-27 | 武汉力源信息技术股份有限公司 | Mobile communication base station power amplifier monitoring module |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI450618B (en) | 2014-08-21 |
| US20130142225A1 (en) | 2013-06-06 |
| US9066305B2 (en) | 2015-06-23 |
| DE102012222168A1 (en) | 2013-06-06 |
| TW201325288A (en) | 2013-06-16 |
| CN103152813B (en) | 2016-05-11 |
| DE102012222168B4 (en) | 2016-07-28 |
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